// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_GL_GL_EGL_API_IMPLEMENTATION_H_
#define UI_GL_GL_EGL_API_IMPLEMENTATION_H_

#include <map>
#include <vector>

#include "base/compiler_specific.h"
#include "gl_bindings.h"
#include "ui/gl/gl_export.h"

namespace base {
class CommandLine;
}
namespace gfx {

class GLContext;
struct GLWindowSystemBindingInfo;

void InitializeStaticGLBindingsEGL();
void InitializeDebugGLBindingsEGL();
void ClearGLBindingsEGL();
bool GetGLWindowSystemBindingInfoEGL(GLWindowSystemBindingInfo* info);

class GL_EXPORT EGLApiBase : public EGLApi {
public:
// Include the auto-generated part of this class. We split this because
// it means we can easily edit the non-auto generated parts right here in
// this file instead of having to edit some template or the code generator.
#include "gl_bindings_api_autogen_egl.h"

protected:
    EGLApiBase();
    ~EGLApiBase() override;
    void InitializeBase(DriverEGL* driver);

    DriverEGL* driver_;
};

class GL_EXPORT RealEGLApi : public EGLApiBase {
public:
    RealEGLApi();
    ~RealEGLApi() override;
    void Initialize(DriverEGL* driver);
    void InitializeWithCommandLine(DriverEGL* driver,
        base::CommandLine* command_line);

    const char* eglQueryStringFn(EGLDisplay dpy, EGLint name) override;

private:
    // Filtered EGL_EXTENSIONS we return to eglQueryStringFn() calls.
    std::vector<std::string> disabled_exts_;
    std::map<EGLDisplay, std::string> filtered_exts_;
};

// Inserts a TRACE for every EGL call.
class GL_EXPORT TraceEGLApi : public EGLApi {
public:
    TraceEGLApi(EGLApi* egl_api)
        : egl_api_(egl_api)
    {
    }
    ~TraceEGLApi() override;

// Include the auto-generated part of this class. We split this because
// it means we can easily edit the non-auto generated parts right here in
// this file instead of having to edit some template or the code generator.
#include "gl_bindings_api_autogen_egl.h"

private:
    EGLApi* egl_api_;
};

} // namespace gfx

#endif // UI_GL_GL_EGL_API_IMPLEMENTATION_H_
